654496069418 has 4 divisors (see below), whose sum is σ = 981744104130. Its totient is φ = 327248034708.

The previous prime is 654496069351. The next prime is 654496069439. The reversal of 654496069418 is 814960694456.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 476316684649 + 178179384769 = 690157^2 + 422113^2 .

It is a super-2 number, since 2×654496069418² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163624017353 + ... + 163624017356.

Almost surely, 2^654496069418 is an apocalyptic number.

654496069418 is a deficient number, since it is larger than the sum of its proper divisors (327248034712).

654496069418 is a wasteful number, since it uses less digits than its factorization.

654496069418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327248034711.

The product of its (nonzero) digits is 44789760, while the sum is 62.

The spelling of 654496069418 in words is "six hundred fifty-four billion, four hundred ninety-six million, sixty-nine thousand, four hundred eighteen".